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https://issues.apache.org/jira/browse/NETBEANS-5638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17335388#comment-17335388
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Svatopluk Dedic commented on NETBEANS-5638:
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// cc: [~jtulach]
> NbTestCase.assertGC fails with SecurityException
> ------------------------------------------------
>
> Key: NETBEANS-5638
> URL: https://issues.apache.org/jira/browse/NETBEANS-5638
> Project: NetBeans
> Issue Type: Bug
> Components: apisupport - Harness
> Affects Versions: 12.4
> Reporter: Svatopluk Dedic
> Assignee: Svatopluk Dedic
> Priority: Major
> Labels: Testing
> Fix For: 12.5
>
>
> During testing, I've found out that *assertGC* paths to root analysis fails
> with *SecurityException* and does not provide any reasonable results:
> {code:java}
> java.lang.SecurityException: Prohibited package name: java.lang
> at java.lang.ClassLoader.preDefineClass(ClassLoader.java:655)
> at java.lang.ClassLoader.defineClass(ClassLoader.java:754)
> at
> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
> at java.net.URLClassLoader.defineClass(URLClassLoader.java:468)
> at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
> at java.lang.Class.getDeclaredMethods0(Native Method)
> at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
> at java.lang.Class.getDeclaredMethods(Class.java:1975)
> at
> org.netbeans.insane.impl.InsaneEngine.recognizeClass(InsaneEngine.java:123)
> {code}
> The exception was thrown, because Insane library queries
> *getDeclaredMethods()* on *org.netbeans.NbInstrumentation* - the whole heap
> traversal then fails, since on JDK8 Module is not loaded from runtime, and an
> attempt to load it from boot.jar fails.
>
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